Fast detection of Listeria monocytogenes through a nanohybrid quantum dot complex

Fast detection of Listeria monocytogenes through a nanohybrid quantum dot complex Listeria monocytogenes is a recognized foodborne pathogen that causes listeriosis in susceptible consumers. Currently, the detection systems for Listeria in food detect live and dead bacteria, being the viable microorganisms most relevant for their ability to cause sickness in the population at risk. For this reason, a new nanohybrid compound was developed for the optical detection of Listeria that was based on polyamidoamine dendrimers functionalized with an auxotrophic cofactor (lipoic acid), together with the coupling of fluorescent semiconductor crystals (quantum dots). The nanohybrid sensor has a detection limit for viable L. monocytogenes of 5.19 × 103 colony-forming units per milliliter under epifluorescence microscopy. It was specific when used among other pathogens commonly found in food. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Analytical and Bioanalytical Chemistry Springer Journals

Fast detection of Listeria monocytogenes through a nanohybrid quantum dot complex

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany
Subject
Chemistry; Analytical Chemistry; Biochemistry, general; Laboratory Medicine; Characterization and Evaluation of Materials; Food Science; Monitoring/Environmental Analysis
ISSN
1618-2642
eISSN
1618-2650
D.O.I.
10.1007/s00216-017-0481-9
Publisher site
See Article on Publisher Site

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